spam handling rules with +detail email addresses?

Julian Field mailscanner at
Wed Feb 18 19:00:51 GMT 2004

At 16:52 18/02/2004, you wrote:
>Julian Field wrote:
>>At 01:04 18/02/2004, you wrote:
>>>How does MailScanner/SA handle incoming email addressed to
>>>user+detail at in rules?
>>>Sendmail will strip everything after/including the + sign, and deliver
>>>to the 'user', but rules in MailScanner for both user+detail at
>>>AND user at seem to be bypassed when using this syntax in an
>>>I've only tested with rules/spam.actions.rules like this:
>>>To:     user+detail at    store notify
>>>To:     user at store notify
>>>Both are bypassed and mail gets the default action applied to it if it's
>>>addressed to user+detail at
>>But what is the envelope recipient address in this case? user or
>user+detail at is the envelope recipient reported in the
>sendmail log. The entry below doesn't seem to work. The message gets the
>default rule applied instead of the 'store notify' rule.
>To:     user+detail at    store notify
>I tried both the suggestions below, and they do properly apply the
>action "store notify", but for some reason, sendmail then tries to
>deliver the message back to instead of the mail hub!
>This creates a problem with the same message being scanned, then
>redelivered to the incoming sendmail and looping. Other 'store notify'
>rules that are defined for normal email addresses work fine.
>We forward mail from the MailScanner box to the mailhub using the
>virtusertable feature. No other rule or config issue has broken this
>before, so I'm not sure what's happening. I'll turn up logging in
>sendmail and see if it will tell me what it's doing with this mail.

MailScanner doesn't get involved with message delivery at all, so I fail to
see how it could have caused this delivery problem.
Julian Field
Professional Support Services at
MailScanner thanks transtec Computers for their support
PGP footprint: EE81 D763 3DB0 0BFD E1DC 7222 11F6 5947 1415 B654

More information about the MailScanner mailing list